Karadeniz Technical University, School of Medicine, Department of Internal Medicine, Section of Gastroenterology, İstanbul
2.GATA Haydarpaşa Eğt. Hast. Gastroenteroloji, Fizik Tedavi, Dahiliye Servisi.
3.Trabzon Social Security Hospital, İstanbul
4.Department of Gastroenterology, Kocaeli University School of Medicine, Kocaeli, Turkey
5.Cerrahpaşa Tıp Fakültesi İç Hastalıkları, Gastroenteroloji, Patoloji Anabilim Dalı